Table 1.
Patient data, urine output, amount of fluid infused that was retained in the blood and the extravascular expansion during 60 min of experiment
| Demographic characteristics | General anesthesia (n=31) | Epidural anesthesia (n=22) | P |
| Age (year) | 60 (14) | 61 (15) | 0.90 |
| Weight (kg) | 58 (11) | 66 (14) | 0.03 |
| M/F | 17/14 | 17/4 | 0.09 |
| SAP (mmHg) | 140 (24) | 149 (26) | 0.20 |
| DAP (mmHg) | 71 (11) | 75 (13) | 0.30 |
| MAP (mmHg) | 97 (15) | 103 (15) | 0.15 |
| HR (beats/min) | 80 (15) | 76 (11) | 0.22 |
| Hb (g/L) | 11.8 (1.8) | 13 (1.3) | 0.01 |
| Number of patients receiving ephedrine | 8 | 1 | 0.09 |
| Urine output (ml) | 89 (62) | 156 (87) | 0.02 |
| Amount of fluids retained (%) 0~60 min | 47 (19) | 29 (13) | 0.0003 |
| Extravascular expansion (ml) 0~60 min | 454 (184) | 551 (144) | 0.04 |
Data are expressed as mean (SD) and count as appropriate